The ABB Q-Line 70 amps Standard 2-Pole Circuit Breaker is built for dependable, residential overcurrent protection in 120/240V circuits. As part of ABB’s HomeLine family and the Q-Line sub-brand, this plug-in breaker is designed for quick installation in compatible panels, helping you keep breakers up-to-date and your home electrical system safe.
Key benefits at a glance
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High-capacity protection: 70-amp, 2-pole design interrupts the circuit on both hot legs, ideal for large-draw residential circuits.
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Plug-In mounting: Rapid replacement or upgrade in compatible panels without complicated wiring changes.
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UID and listing: UL Listed for reliability; not CSA Listed, ensuring compliance with specific regional requirements where applicable.
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Indoor use: Optimized for indoor residential panel environments, with a compact footprint for tight enclosures.
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Compact dimensions: 2" wide, 3.28125" tall, 2.375" deep—designed to fit standard breaker spaces without crowding.
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Included hardware: Ships with a 70A two-pole breaker, ready to protect a dedicated circuit out of the box.
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Professional packaging: Bulk packaging supports installers stocking multiple units for quick repairs and upgrades.
Why this matters for your home
A 70A two-pole breaker protects larger loads and multi-wire branch circuits in your home, such as substantial HVAC, water heating, or workshop feeders. By tripping quickly when faults occur, it minimizes wiring damage and reduces fire risk, giving you peace of mind during everyday use and peak demand periods.
Who should consider this breaker
- Homeowners upgrading an existing panel with ABB Q-Line or compatible plug-in breakers.
- Electrical technicians replacing aging or non-compliant breakers in residential installations.
- Developers or landlords equipping rental properties with reliable, code-friendly protection for high-draw circuits.
How it compares to alternatives (practical considerations)
Compared with other breakers of similar rating, this ABB Q-Line unit emphasizes quick plug-in installation, a compact form factor suitable for crowded enclosures, and compatibility with the HomeLine/Q-Line ecosystem. Its UL Listing signals dependable manufacture and tested performance, while the absence of CSA Listing may influence compatibility decisions depending on regional certification requirements.
Practical tips for getting the most from this breaker
- Verify your panel is listed for ABB Q-Line plug-in breakers and supports 2-pole 70A protection before installation.
- Turn off main power and use proper PPE when performing panel work; ensure the panel cover is securely closed after installation.
- If you’re upgrading from a lower amperage, confirm conductor sizing and overcurrent protection match the circuit’s load calculations.
- Keep a few bulk-packaged units on hand for quick field replacements or planned expansions in residential projects.
With the ABB Q-Line 70A 2-Pole Circuit Breaker, you gain robust, reliable protection for essential 120/240V circuits, backed by a respected brand and a design focused on installer efficiency and long-term performance.
